Ext.namespace('Ext.xredman');

X = Ext.xredman;

X.Person = Ext.emptyFn;

Ext.apply(X.Person.prototype,{
	name:'xredman',
	sex:'male',
	print:function(){
		alert(String.format('name:{0}, sex:{1}', this.name, this.sex));
	}
});

var _person =new  X.Person();
_person.print();